Hebert House · Photo: Jerrye & Roy Klotz, MD · CC BY-SA 4.0Living in Lake Arthur, LA: what to set up and who to call
Tap water in Lake Arthur comes from Town of Lake Arthur Water System, which has a clean five-year EPA record (about 22% of systems its size had a health-based violation) and a latest lead result below detection. Power in Lake Arthur comes from Jefferson Davis Elec Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Lake Arthur, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Lake Arthur.
Power comes from Jefferson Davis Elec Coop
Jefferson Davis Elec Coop (Jefferson Davis Elec Coop, Inc), a cooperative utility, serves all of Lake Arthur. Its homes paid an average of 14.8¢ per kWh in 2025, about $183 a month (its average across Louisiana).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Town of Lake Arthur Water System
Town of Lake Arthur Water System supplies almost all of Lake Arthur. It draws ground water and serves 2,706 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 78% of the 7,966 systems serving 1,001–3,300 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2022–Dec 2024, was 0.0 ppb, below the 15 ppb action level that applied. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0 (EPA’s estimate). Violations are counted by the start of their compliance period. LA1053005.
3 home internet providers serve Lake Arthur
100% of 1,232 addresses can get 100/20 Mbps; 0% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| Vyve Broadband | Cable | 99% | 1,000/100 |
| AT&T | DSL, Fixed wireless, Fiber | 74% | 10/1 |
| Faster Cajun Networks | Fixed wireless | 100% | 110/23 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
We don’t have Lake Arthur’s trash rules yet
Pickup rules, the dump and recycling in Lake Arthur.
Where your child goes to school
Public school districts and the school path by grade.
Lake Arthur is in Jefferson Davis Parish School District.
ASchool gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Mar 2022; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.
Lake Arthur is in ZIP code 70549
ZIP codes where Lake Arthur residents live, with the share of the town in each.
| ZIP | Post office name | Share of Lake Arthur | ZIP’s residents in Lake Arthur |
|---|---|---|---|
| 70549 | Lake Arthur, LA | 100% | 68% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Lake Arthur
Who supplies Lake Arthur’s drinking water, and has it had violations?
Town of Lake Arthur Water System (EPA ID LA1053005). It reported no health-based violations to EPA in the five years to October 2026; 78% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2022–Dec 2024), against a 15 ppb action level.
Who provides electricity in Lake Arthur?
Jefferson Davis Elec Coop (Jefferson Davis Elec Coop, Inc), a cooperative utility. Its homes paid about 14.8¢ per kWh in 2025 (EIA).
What internet providers serve Lake Arthur?
Vyve Broadband, AT&T, Faster Cajun Networks (FCC, as of December 2025).
What ZIP codes are in Lake Arthur?
70549. Census 2020 ZIP Code Tabulation Areas.
What school district is Lake Arthur in?
Jefferson Davis Parish School District.
How do I register to vote in Lake Arthur?
In Louisiana you can register online until 20 days before Election Day, in person until 30 days before Election Day, or by mail (postmarked 30 days before). Elections here are run by the Jefferson Davis Parish Registrar of Voters. Check your registration at voterportal.sos.la.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Aug 3, 2026 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.